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The Significance of BMI

Based on your weight and height, the body mass index, (BMI) measures the amount of body fat you have. Calculated in percentages, your BMI is an indicator of how healthy you are.

  1. Determine BMI

    • You can estimate your BMI by multiplying your weight (in pounds) by 703. Then divide your answer by your height, in inches. You should divide that answer by your height (in inches) a second time, according to Medline Plus.

    Features

    • Based on your total, you'll fit into one of five categories. For instance, 18.5 to 24.9 ishealthy, and 30 to 39.9 is considered obese.

    BMI Extremes

    • If you have a BMI greater than 40, you are considered morbidly obese. If you have a BMI less than 18.5, you're considered underweight.

    Significance

    • According to KidsHealth, your BMI is significant because it tracks your risk of becoming overweight. In addition, it is a good indicator of how much fat you have.

    Importance

    • Also, your BMI lets you know if you're need to start becoming concerned about your weight, according to Medline Plus. If you're overweight, you're at risk for medical conditions like heart disease, diabetes and high blood pressure.

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